diff --git a/Web/Controls/Help/GettingStarted/Integration/Chamilo/Chamilo.ascx b/Web/Controls/Help/GettingStarted/Integration/Chamilo/Chamilo.ascx
index 07df9d551..dcd271404 100644
--- a/Web/Controls/Help/GettingStarted/Integration/Chamilo/Chamilo.ascx
+++ b/Web/Controls/Help/GettingStarted/Integration/Chamilo/Chamilo.ascx
@@ -109,7 +109,7 @@
                 </li>
             <li>Chamilo v1.11.14 or later</li>
             </ul>
-            <div class="notehelp">ONLYOFFICE Docs and Chamilo can be installed either on different computers, or on the same machine. In case you select the latter variant, you will need to set up a custom port for ONLYOFFICE Docs as by default both ONLYOFFICE Docs and Chamilo work on port 80. See the corresponding instructions for <a href="https://localhost/installation/docs-community-install-docker.aspx#Installing" target="_blank"><b>Docker</b></a>, <a href="https://localhost/installation/docs-community-install-ubuntu.aspx#InstallingDebian" target="_blank"><b>Ubuntu</b></a>, <a href="https://localhost/installation/docs-community-install-centos.aspx#ChangingPort" target="_blank"><b>CentOS</b></a>, or <a href="https://localhost/installation/docs-community-install-windows.aspx#InstallingDocumentServer" target="_blank"><b>Windows</b></a>.</div>
+            <div class="notehelp">ONLYOFFICE Docs and Chamilo can be installed either on different computers, or on the same machine. In case you select the latter variant, you will need to set up a custom port for ONLYOFFICE Docs as by default both ONLYOFFICE Docs and Chamilo work on port 80. See the corresponding instructions for <a target="_blank" href="<%=VirtualPathUtility.ToAbsolute("~/installation/docs-community-install-docker.aspx#Installing")%>"><b>Docker</b></a>, <a target="_blank" href="<%=VirtualPathUtility.ToAbsolute("~/installation/docs-community-install-ubuntu.aspx#InstallingDebian")%>"><b>Ubuntu</b></a>, <a target="_blank" href="<%=VirtualPathUtility.ToAbsolute("~/installation/docs-community-install-centos.aspx#ChangingPort")%>"><b>CentOS</b></a>, or <a target="_blank" href="<%=VirtualPathUtility.ToAbsolute("~/installation/docs-community-install-windows.aspx#InstallingDocumentServer")%>"><b>Windows</b></a>.</div>
          </div>
 
         <div class="gs_content gs_submenu" id="Install_block">